American League Pitching Leaders

Wins Above Replacement--all

<strong>Wins Above Replacement</strong><br>A single number that presents the number of wins the player added<br>to the team above what a replacement player (think AAA or AAAA) would add.<br>Scale for a single-season: 8+ MVP Quality, 5+ All-Star Quality, 2+ Starter,<br>0-2 Reserve, < 0 Replacement Level <br>Developed by Sean Smith of BaseballProjection.com

1. Fidrych • DET 9.6
2. Nettles • NYY 8.0
3. Blue • OAK 7.6
4. Brett • KCR 7.5
5. Tanana • CAL 7.5
6. Carew • MIN 6.8
7. Blyleven • 2TM 6.5
8. Belanger • BAL 6.5
Palmer • BAL 6.5
10. Rivers • NYY 6.4

WAR for Pitchers

<strong>Wins Above Replacement for Pitchers</strong><br>A single number that presents the number of wins the player added<br>to the team above what a replacement player (think AAA or AAAA) would add. This value includes defensive support and includes additional value for high leverage situations.<br>Scale: 8+ MVP Quality, 5+ All-Star Quality, 2+ Starter,<br>0-2 Reserve, < 0 Replacement Level <br> Developed by Sean Smith of BaseballProjection.com

1. Fidrych • DET 9.6
2. Blue • OAK 7.6
3. Tanana • CAL 7.5
4. Blyleven • 2TM 6.5
5. Palmer • BAL 6.5
6. Tiant • BOS 6.3
7. Perry • TEX 5.8
8. Torrez • OAK 5.3
9. Travers • MIL 4.5
10. Brett • 2TM 4.2

Earned Run Average

<strong>9 * ER / IP</strong><br>For recent years, leaders need 1 IP<br>per team game played.<br>Bold indicates lowest ERA using current stats<br><span class=glimmer>Gold</span> means awarded ERA title at end of year.

1. Fidrych • DET 2.34
2. Blue • OAK 2.35
3. Tanana • CAL 2.43
4. Torrez • OAK 2.50
5. Palmer • BAL 2.51
6. Garland • BAL 2.67
7. Hartzell • CAL 2.77
8. Travers • MIL 2.81
9. Blyleven • 2TM 2.87
10. Ross • CAL 3.00

Wins

Wins

1. Palmer • BAL 22
2. Tiant • BOS 21
3. Garland • BAL 20
4. Fidrych • DET 19
Figueroa • NYY 19
Tanana • CAL 19
7. Blue • OAK 18
8. Campbell • MIN 17
Ellis • NYY 17
Hunter • NYY 17
Leonard • KCR 17
Ryan • CAL 17

Win-Loss %

<strong>Win-Loss Percentage</strong><br>W / (W + L)<br>For players, leaders need one decision for every ten team games.<br>For managers, minimum to qualify for leading is 320 games.

1. Campbell • MIN .773
2. Garland • BAL .741
3. Ellis • NYY .680
4. Fidrych • DET .679
5. Figueroa • NYY .655
Tanana • CAL .655
7. Bibby • CLE .650
8. Tiant • BOS .636
9. Leonard • KCR .630
10. Palmer • BAL .629

Walks & Hits per IP

<strong>(BB + H)/IP</strong><br>For recent years, leaders need 1 IP<br>per team game played

1. Tanana • CAL 0.988
2. Palmer • BAL 1.076
3. Fidrych • DET 1.079
4. Blue • OAK 1.109
5. Bird • KCR 1.123
6. Hunter • NYY 1.125
7. Perry • TEX 1.134
8. Jenkins • BOS 1.167
9. Eckersley • CLE 1.169
10. Alexander • 2TM 1.169

Hits per 9 IP

<strong>9 x H / IP</strong><br>For recent years, leaders need 1 IP<br>per team game played

1. Ryan • CAL 6.109
2. Tanana • CAL 6.617
3. Eckersley • CLE 6.998
4. Palmer • BAL 7.286
5. Brett • 2TM 7.670
6. Alexander • 2TM 7.701
7. Campbell • MIN 7.783
8. Fidrych • DET 7.802
9. Torrez • OAK 7.806
10. Travers • MIL 7.913

Bases On Balls per 9 IP

<strong>9 x BB / IP</strong><br>For recent years, leaders need 1 IP<br>per team game played

1. Bird • KCR 1.411
2. Jenkins • BOS 1.852
3. Perry • TEX 1.870
4. Blue • OAK 1.901
5. Fidrych • DET 1.905
6. Wise • BOS 1.926
7. Briles • TEX 2.014
8. Hunter • NYY 2.049
9. Tiant • BOS 2.065
10. Colborn • MIL 2.154

Strikeouts per 9 IP

<strong>9 x SO / IP</strong><br>For recent years, leaders need 1 IP<br>per team game played

1. Ryan • CAL 10.351
2. Eckersley • CLE 9.030
3. Tanana • CAL 8.147
4. Blyleven • 2TM 6.622
5. Campbell • MIN 6.173
6. Jenkins • BOS 6.115
7. Gossage • CHW 5.424
8. Hunter • NYY 5.213
9. Leonard • KCR 5.212
10. Brown • CLE 5.200

Games Played

Games Played or Pitched

1. Campbell • MIN 78
2. Fingers • OAK 70
3. Lindblad • OAK 65
4. Lyle • NYY 64
5. LaRoche • CLE 61
6. Littell • KCR 60
7. Burgmeier • MIN 57
8. Hiller • DET 56
9. Mingori • KCR 55
10. Willoughby • BOS 54

Saves

Saves

1. Lyle • NYY 23
2. LaRoche • CLE 21
3. Campbell • MIN 20
Fingers • OAK 20
5. Littell • KCR 16
6. Kern • CLE 15
7. Hiller • DET 13
8. Mingori • KCR 10
Martinez • 2TM 10
Hamilton • CHW 10
Tidrow • NYY 10
Willoughby • BOS 10

Innings Pitched

Innings Pitched

1. Palmer • BAL 315.0
2. Hunter • NYY 298.2
3. Blue • OAK 298.1
4. Blyleven • 2TM 297.2
5. Slaton • MIL 292.2
6. Tanana • CAL 288.1
7. Ryan • CAL 284.1
8. Tiant • BOS 279.0
9. Torrez • OAK 266.1
10. Leonard • KCR 259.0

Strikeouts

Strikeouts

1. Ryan • CAL 327
2. Tanana • CAL 261
3. Blyleven • 2TM 219
4. Eckersley • CLE 200
5. Hunter • NYY 173
6. Blue • OAK 166
7. Palmer • BAL 159
8. Leonard • KCR 150
9. Perry • TEX 143
10. Jenkins • BOS 142

Games Started

Games Started

1. Palmer • BAL 40
2. Ryan • CAL 39
Torrez • OAK 39
4. Slaton • MIL 38
Tiant • BOS 38
6. Blue • OAK 37
7. Hunter • NYY 36
Roberts • DET 36
Blyleven • 2TM 36
Singer • 2TM 36

Complete Games

Complete Game

1. Fidrych • DET 24
2. Palmer • BAL 23
Tanana • CAL 23
4. Hunter • NYY 21
Perry • TEX 21
Ryan • CAL 21
7. Blue • OAK 20
8. Tiant • BOS 19
9. Blyleven • 2TM 18
Roberts • DET 18

Shutouts

Shutouts<br>No runs allowed and a complete game.

1. Ryan • CAL 7
2. Palmer • BAL 6
Blyleven • 2TM 6
Blue • OAK 6
5. Figueroa • NYY 4
Wise • BOS 4
Goltz • MIN 4
Garland • BAL 4
Fidrych • DET 4
Roberts • DET 4
Torrez • OAK 4
Singer • 2TM 4

Home Runs

Home Runs Hit/Allowed

1. Hunter • NYY 28
2. Tiant • BOS 25
3. Tanana • CAL 24
4. Travers • MIL 21
5. Colborn • MIL 20
Jenkins • BOS 20
Palmer • BAL 20
8. Johnson • CHW 19
Ruhle • DET 19
10. Wise • BOS 18
Holtzman • 2TM 18

Bases on Balls

Bases on Balls/Walks

1. Ryan • CAL 183
2. Singer • 2TM 96
3. Travers • MIL 95
4. Figueroa • NYY 94
Slaton • MIL 94
6. Goltz • MIN 91
7. Gossage • CHW 90
8. Torrez • OAK 87
9. Palmer • BAL 84
10. Blyleven • 2TM 81

Hits

Hits/Hits Allowed

1. Slaton • MIL 287
2. Blyleven • 2TM 283
3. Tiant • BOS 274
4. Blue • OAK 268
Hunter • NYY 268
6. Holtzman • 2TM 265
7. Palmer • BAL 255
8. Roberts • DET 254
9. Leonard • KCR 247
10. Goltz • MIN 239

Strikeouts / Base On Balls

<strong>SO/W or SO/BB</strong><br>For recent years, pitching leaders need 1 IP<br>per team game played.<br>No batting leaders computed.

1. Tanana • CAL 3.575
2. Bird • KCR 3.452
3. Jenkins • BOS 3.302
4. Perry • TEX 2.750
5. Blyleven • 2TM 2.704
6. Blue • OAK 2.635
7. Eckersley • CLE 2.564
8. Hunter • NYY 2.544
9. Leonard • KCR 2.143
10. Briles • TEX 2.085

Home Runs per 9 IP

<strong>9 x HR / IP</strong><br>For recent years, leaders need 1 IP<br>per team game played

1. Cleveland • BOS 0.159
2. Brett • 2TM 0.222
3. Fitzmorris • KCR 0.245
4. Blue • OAK 0.272
5. Hartzell • CAL 0.325
6. Bibby • CLE 0.331
7. Garland • BAL 0.387
8. Ryan • CAL 0.411
9. Blyleven • 2TM 0.423
10. Slaton • MIL 0.431

Losses

Losses

1. Ryan • CAL 18
2. Gossage • CHW 17
Roberts • DET 17
4. Johnson • CHW 16
Ross • CAL 16
Travers • MIL 16
Blyleven • 2TM 16
8. Colborn • MIL 15
Hunter • NYY 15
Slaton • MIL 15

Earned Runs

Earned Runs Allowed

1. Hunter • NYY 117
2. Roberts • DET 112
Slaton • MIL 112
4. Johnson • CHW 111
5. Ryan • CAL 106
6. Leonard • KCR 101
7. Holtzman • 2TM 100
8. Gossage • CHW 98
Hughes • MIN 98
10. Singer • 2TM 97

Wild Pitches

Wild Pitches

1. Goltz • MIN 15
2. Slaton • MIL 11
3. Holtzman • 2TM 10
4. Hughes • MIN 9
5. Broberg • MIL 8
Hargan • TEX 8
Hood • CLE 8
Torrez • OAK 8
9. Bahnsen • OAK 7
Boggs • TEX 7
Campbell • MIN 7
Crawford • DET 7
Forster • CHW 7
Frisella • MIL 7
Leonard • KCR 7
Travers • MIL 7
Blyleven • 2TM 7

Hit By Pitch

Times Hit by a Pitch.

1. Blyleven • 2TM 12
2. Leonard • KCR 11
Singer • 2TM 11
4. Hartzell • CAL 10
5. Gossage • CHW 9
Tanana • CAL 9
7. Hughes • MIN 8
Palmer • BAL 8
Travers • MIL 8
Willoughby • BOS 8

Batters Faced

Batters Faced

1. Palmer • BAL 1,256
2. Slaton • MIL 1,235
3. Blyleven • 2TM 1,225
4. Hunter • NYY 1,210
5. Blue • OAK 1,205
6. Ryan • CAL 1,196
7. Tanana • CAL 1,142
8. Tiant • BOS 1,136
9. Torrez • OAK 1,094
10. Figueroa • NYY 1,081

Games Finished

Games Finished<br>Credited to the last pitcher to appear for a team in a game.<br>Complete Games are not counted as Games Finished.

1. Campbell • MIN 68
2. Fingers • OAK 62
3. Lyle • NYY 58
4. Hiller • DET 46
5. LaRoche • CLE 43
6. Willoughby • BOS 40
7. Littell • KCR 37
8. Hamilton • CHW 34
9. Foucault • TEX 31
Kern • CLE 31

Adjusted ERA+

<strong>ERA+</strong><br>100*[lgERA/ERA]<br>Adjusted to the player&#x2019;s ballpark(s).

1. Fidrych • DET 159
2. Blue • OAK 142
3. Tanana • CAL 136
4. Torrez • OAK 134
5. Palmer • BAL 130
6. Tiant • BOS 129
7. Cleveland • BOS 129
8. Blyleven • 2TM 125
9. Travers • MIL 124
10. Garland • BAL 123

Fielding Independent Pitching

<strong>Fielding Independent Pitching</strong><br>this stat measures a pitcher's effectiveness at preventing HR, BB, HBP and causing SO<br><tt>(13*HR + 3*(BB+HBP) - 2*SO)/IP + Constant<sub>lg</sub></tt><br>The constant is set so that each season major-league average FIP is the same as the major-league avg ERA

1. Blue • OAK 2.56
2. Blyleven • 2TM 2.71
3. Eckersley • CLE 2.72
4. Tanana • CAL 2.76
5. Perry • TEX 2.84
6. Ryan • CAL 2.91
7. Fitzmorris • KCR 3.05
8. Cleveland • BOS 3.12
9. Garland • BAL 3.12
10. Bibby • CLE 3.13

Adj. Pitching Runs

<strong>Adjusted Pitching Runs</strong><br>A set of formulas developed by Gary Gillette, Pete Palmer and others<br>that estimates a pitcher&#x2019;s total contributions<br>to a team&#x2019;s runs total via linear weights.<br>0.0 is an avg performance, <0 is worse than avg and >0 is better than avg

1. Fidrych • DET 35
2. Blue • OAK 34
3. Tanana • CAL 30
4. Palmer • BAL 28
5. Tiant • BOS 25
6. Blyleven • 2TM 24
7. Torrez • OAK 22
8. Littell • KCR 17
9. Hiller • DET 17
10. Garland • BAL 16

Adj. Pitching Wins

<strong>Adjusted Pitching Wins</strong><br>A set of formulas developed by Gary Gillette, Pete Palmer and others<br>that estimates a pitcher&#x2019;s total contributions<br>to a team&#x2019;s wins with his arm.<br>0.0 is an avg performance, <0 is worse than avg and >0 is better than avg

1. Fidrych • DET 4.0
2. Blue • OAK 3.9
3. Tanana • CAL 3.4
4. Palmer • BAL 3.1
5. Tiant • BOS 2.8
6. Blyleven • 2TM 2.7
7. Torrez • OAK 2.5
8. Littell • KCR 1.9
9. Hiller • DET 1.8
10. Garland • BAL 1.7

Base-Out Runs Saved (RE24)

<strong>Base-Out Runs Saved</strong><br>Given the bases occupied/out situation, how many runs did the pitcher<br>save in the resulting play. Compared to average, so 0 is average, and<br>above 0 is better than average

1. Blue • OAK 43.08
2. Tanana • CAL 35.13
3. Fidrych • DET 34.65
4. Palmer • BAL 32.17
5. Blyleven • 2TM 30.54
6. Tiant • BOS 23.55
7. Perry • TEX 21.56
8. LaRoche • CLE 21.08
9. Torrez • OAK 18.99
10. Kern • CLE 18.83

Win Probability Added (WPA)

<strong>Win Probability Added by Pitcher</strong><br>Given average teams, this is the change in probability.<br>See <a href='https://www.baseball-reference.com/about/wpa.shtml'>Win Expectancy explainer</a> for details.

1. Blue • OAK 5.7
2. Tanana • CAL 5.5
3. Palmer • BAL 4.7
4. Fidrych • DET 4.4
5. LaRoche • CLE 4.2
6. Blyleven • 2TM 4.1
7. Martinez • 2TM 3.3
8. Kern • CLE 3.2
9. Tiant • BOS 2.9
10. Campbell • MIN 2.9

Sit. Wins Saved (WPA/LI)

<strong>Situational Wins (WPA/LI)</strong><br>It is the sum of WPA divided by the leverage index for each play.<br>WPA depends greatly on the context of the at bats.<br>This stat does not.

1. Tanana • CAL 4.9
2. Blue • OAK 4.2
3. Fidrych • DET 4.0
4. Palmer • BAL 3.9
5. Perry • TEX 2.8
6. Tiant • BOS 2.8
7. Brett • 2TM 2.4
8. LaRoche • CLE 2.3
9. Torrez • OAK 2.0
10. Blyleven • 2TM 2.0

Championship WPA (cWPA)

<strong>Championship Win Probability Added by Pitcher</strong><br>Given average teams, this is the change in probability of winning the World Series, displayed in percentage points.<br>See <a href='https://www.baseball-reference.com/about/wpa.shtml'>Win Expectancy explainer</a> for details.

1. Blue • OAK 3.3
2. Mingori • KCR 3.0
3. Ellis • NYY 2.4
4. Torrez • OAK 2.3
5. Lyle • NYY 2.0
6. LaRoche • CLE 1.9
7. Perry • TEX 1.9
8. Gura • KCR 1.8
9. Fitzmorris • KCR 1.8
10. Littell • KCR 1.8

Base-Out Wins Saved (REW)

<strong>Base-Out Wins Saved</strong><br>This is the number of wins above average the player was worth by their performance<br>measured by the 24 base-out situations.

1. Blue • OAK 5.1
2. Tanana • CAL 4.1
3. Fidrych • DET 3.9
4. Palmer • BAL 3.7
5. Blyleven • 2TM 3.4
6. Tiant • BOS 2.4
7. Perry • TEX 2.4
8. LaRoche • CLE 2.3
9. Torrez • OAK 2.1
10. Kern • CLE 2.1

A ** by the stat's value indicates the player had fewer than the required number of at bats or plate appearances for the BA, OBP, SLG or OPS title that year. In order to rank the player, the necessary number of hitless at bats were added to the player's season total. The value printed here is their actual value and not the value used to rank them, therefore some numbers may appear out of order.

For rate stats, generally a minimum of 3.1 Plate Appearances/Team Game (batting), 1.0 IP/Team Game (pitching), 0.67 Gm and Chances/Team Game (fielding), 0.2 SB att/Team Game (catchers), 0.1 SB att/Team Game (baserunners only since 1951), and 0.1 decision/Team Game (W-L%) is needed for single-season leaderboards. For pitcher fielding the minimums are reduced by a third. For LF, CF, RF fielding stats, we only have reliable data since 1898, so all leaders are since 1898. Explanation of min. requirements